Most of those collective nouns are just made up and are not used in the real world: "In the course of the 14th century, it became a courtly fashion to extend the vocabulary, and by the 15th century, the tendency had reached exaggerated and even satirical proportions." -- https://en.wikipedia.org/wiki/Collective_noun
I read an interesting article about it a few weeks ago, b̶u̶t̶ ̶I̶ ̶c̶a̶n̶'̶t̶ ̶f̶i̶n̶d̶ ̶i̶t̶. (Edit: wccrawford linked it: https://www.audubon.org/news/no-its-not-actually-murder-crow...) There's a quote from a biologist who studies wombats about the supposedly-correct collective noun for a group of wombats: "Wombats do not form groups in the wild."
I read an interesting article about it a few weeks ago, b̶u̶t̶ ̶I̶ ̶c̶a̶n̶'̶t̶ ̶f̶i̶n̶d̶ ̶i̶t̶. (Edit: wccrawford linked it: https://www.audubon.org/news/no-its-not-actually-murder-crow...) There's a quote from a biologist who studies wombats about the supposedly-correct collective noun for a group of wombats: "Wombats do not form groups in the wild."
And it is a pod of dolphins: https://www.dolphins-world.com/what-is-a-dolphin-pod/